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* Experimental change to use an immutable array for iterating ScenePresences, ↵John Hurliman2009-10-231-71/+70
| | | | avoiding locking and copying the list each time it is accessed
* Implemented a Watchdog class. Do not manually create Thread objects anymore, ↵John Hurliman2009-10-221-8/+11
| | | | use Watchdog.StartThread(). While your thread is running call Watchdog.UpdateThread(). When it is shutting down call Watchdog.RemoveThread(). Most of the threads in OpenSim have been updated
* Add copyright header. Formatting cleanup.Jeff Ames2009-10-221-1/+1
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* * Changed the misc. methods calling ThreadPool.UnsafeQueueUserWorkItem() to ↵John Hurliman2009-10-211-3/+3
| | | | | | Util.FireAndForget() * Changed Util.FireAndForget() to use any of five different methods set with async_call_method in the [Startup] section of OpenSim.ini. Look at the example config for possible values
* * Change the OnQueueEmpty signature to send the flags of the queues that are ↵John Hurliman2009-10-214-61/+108
| | | | | | | empty instead of firing once per empty queue * Change the OnQueueEmpty firing to use a minimum time until next fire instead of a sleep * Set OutgoingPacket.TickCount = 0 earlier to avoid extra resends when things are running slowly (inside a profiler, for example)
* * Clarified what FireQueueEmpty is doing with a MIN_CALLBACK_MS constant and ↵John Hurliman2009-10-214-18/+8
| | | | | | | upped it to 30ms * Removed the unused PacketSent() function * Switched UnackedPacketCollection from a SortedDictionary to a Dictionary now that the sorting is no longer needed. Big performance improvement for ResendUnacked()
* * FireQueueEmpty now checks if a measurable amount of time has passed, and ↵John Hurliman2009-10-213-38/+16
| | | | | | if not it sleeps for a small amount of time. This throttles OnQueueEmpty calls where there is no callback or the callback is doing very little work * Changed HandleQueueEmpty()'s Monitor.TryEnter() calls to locks. We want to take our time in this function and do all the work necessary, since returning too fast will induce a sleep anyways
* * Changed the timing calculations for sending resends/acks/pings from ↵John Hurliman2009-10-213-41/+63
| | | | | | per-client back to per-scene * Testing a fix from Jim to make the cpu usage fix cleaner
* Testing out a hack to identify the source of the high cpu usageJohn Hurliman2009-10-211-0/+3
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* Removing the Sleep(0) call from the OutgoingPacketHandlerJohn Hurliman2009-10-211-6/+3
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* * Handle UseCircuitCode packets asynchronously. Adding an agent to a scene ↵John Hurliman2009-10-213-13/+49
| | | | | | | | can take several seconds, and was blocking up packet handling in the meantime * Clamp retransmission timeout values between three and 10 seconds * Log outgoing time for a packet right after it is sent instead of well before * Loop through the entire UnackedPacketCollection when looking for expired packets
* * Replaced the UnackedPacketCollection with a lockless implementation. The ↵John Hurliman2009-10-214-208/+126
| | | | | | | tiny amount of time spent in the locks turned into a lot of time when the rest of the LLUDP implementation went lockless * Changed the timer tracking numbers for each client to not have "memory". It will no longer queue up calls to functions like ResendUnacked * Reverted Jim's WaitHandle code. Although it was technically more correct, it exhibited the exact same behavior as the old code but spent more cycles. The 20ms has been replaced with the minimum amount of time before a token bucket could receive a drip, and an else { sleep(0); } was added to make sure the outgoing packet handler always yields at least a minimum amount
* Fixed the way OnQueueEmpty is called to prevent simultaneous calls for the ↵John Hurliman2009-10-211-7/+7
| | | | same category
* Committing Jim's optimization to replace the 20ms sleep in outgoing packet ↵John Hurliman2009-10-214-50/+121
| | | | handling with an interruptible wait handle
* * Added a sanity check to GetScriptAssemblies() and GetScriptStates() for ↵John Hurliman2009-10-204-0/+219
| | | | | | the case where no scripting engine is enabled * Added TokenBucket.cs to OpenSim, with some fixes for setting a more accurate MaxBurst value and getting a more accurate Content value (by Drip()ing each get)
* * Removed the unused m_agentUpdates collection and some extra work that was ↵John Hurliman2009-10-201-1/+1
| | | | | | being done for AgentUpdate packets * Start LLUDPClients unpaused (this variable is not being used yet)
* * Removed the throttle speed optimizations to see if it brings stability backJohn Hurliman2009-10-202-72/+69
| | | | * Changed the outgoing packet handler to use a real function instead of a closure and to track time on a per-client basis instead of a global basis
* Added try/catches in the outgoing packet handler to match the one in the ↵John Hurliman2009-10-201-45/+59
| | | | incoming packet handler
* Fixing position/rotation/collisionplane in ObjectUpdate packets for avatarsJohn Hurliman2009-10-201-6/+8
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* Reverting the deletion of files related to texture sending until we figure ↵John Hurliman2009-10-201-0/+2
| | | | out exactly what is and isn't needed
* * Removing cruft left over from the conversion to the new texture sending ↵John Hurliman2009-10-202-105/+0
| | | | | | and UDP code * Changing the cache modules to only initialize the caches if they are actually enabled. Should save a bit of resources from unused cache systems
* * Optimized sending of terrain dataJohn Hurliman2009-10-192-155/+180
| | | | | * Send terrain data in a spiral pattern instead of a typewriter pattern (placeholder until terrain data becomes part of the interest list management) * Added a debug line when resent packets are being sent
* * Removed OpenSim.Data.NHibernateJohn Hurliman2009-10-191-3/+3
| | | | * Replaced calls to ThreadPool.QueueUserWorkItem() with ThreadPool.UnsafeQueueUserWorkItem() since OpenSim does not use Code Access Security sandboxing
* * Change Util.FireAndForget to use ThreadPool.UnsafeQueueUserWorkItem(). ↵John Hurliman2009-10-194-56/+62
| | | | | | | | | | | | | | This avoids .NET remoting and a managed->unmanaged->managed jump. Overall, a night and day performance difference * Initialize the LLClientView prim full update queue to the number of prims in the scene for a big performance boost * Reordered some comparisons on hot code paths for a minor speed boost * Removed an unnecessary call to the expensive DateTime.Now function (if you *have* to get the current time as opposed to Environment.TickCount, always use DateTime.UtcNow) * Don't fire the queue empty callback for the Resend category * Run the outgoing packet handler thread loop for each client synchronously. It seems like more time was being spent doing the execution asynchronously, and it made deadlocks very difficult to track down * Rewrote some expensive math in LandObject.cs * Optimized EntityManager to only lock on operations that need locking, and use TryGetValue() where possible * Only update the attachment database when an object is attached or detached * Other small misc. performance improvements
* * Rewrote the methods that build ObjectUpdate and ImprovedTerseObjectUpdate ↵John Hurliman2009-10-182-648/+371
| | | | | | | | | | packets to fill in the data more accurately and avoid allocating memory that is immediately thrown away * Changed the Send*Data structs in IClientAPI to use public readonly members instead of private members and getters * Made Parallel.ProcessorCount public * Started switching over packet building methods in LLClientView to use Util.StringToBytes[256/1024]() instead of Utils.StringToBytes() * More cleanup of the ScenePresences vs. ClientManager nightmare * ScenePresence.HandleAgentUpdate() will now time out and drop incoming AgentUpdate packets after three seconds. This fixes a deadlock on m_AgentUpdates that was blocking up the LLUDP server
* * Process the avatar terse update priority queue as soon as an update for ↵John Hurliman2009-10-181-40/+39
| | | | | | | our own avatar is ready to send * Reduce the scope of the locks when processing the update queues * Reuse the ImprovedTerseObjectUpdate.RegionData block
* * Big performance increase in loading prims from the region database with MySQLJohn Hurliman2009-10-182-25/+50
| | | | | | * Handle the AgentFOV packet * Bypass queuing and throttles for ping checks to make ping times more closely match network latency * Only track reliable bytes in LLUDPCLient.BytesSinceLastACK
* * Committing Nini.dll with the patch from #3773 appliedJohn Hurliman2009-10-171-1/+1
| | | | * Fixing a log message typo
* Committing the second part of Jim Greensky @ Intel Lab's patch, ↵John Hurliman2009-10-171-17/+90
| | | | re-prioritizing updates
* Wrapped the contents of the IncomingPacketHandler loop in a try/catch statementJohn Hurliman2009-10-171-2/+9
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* Changing avatar movement updates to the Task throttle category until we get ↵John Hurliman2009-10-161-5/+6
| | | | finer grained prioritization of avatars vs. prims
* Prevent oversized packets from crashing the LLUDP server. It will now print ↵John Hurliman2009-10-161-5/+20
| | | | a friendly error message and drop the packet
* * Simplified the prioritization packet creation code to reduce CPU usage and ↵John Hurliman2009-10-163-95/+35
| | | | | | increase throughput. Apologies to Jim for hacking on your code while it's only halfway done, I'll take responsibility for the manual merge * Changed LLUDP to use its own MTU value of 1400 instead of the 1200 value pulled from the currently shipped libomv
* * Changing the "clean dropped attachments" MySQL command to a using ↵John Hurliman2009-10-161-1/+2
| | | | | | statement inside a try/catch. This statement times out for me very frequently * More verbose logging when zerocoding fails on an outbound packet
* * Change appearance packets from State to Task. This will hopefully fix the ↵John Hurliman2009-10-163-37/+46
| | | | | | cloud issues * Changed the throttling logic to obey the requested client bandwidth limit but also share bandwidth between some of the categories to improve throughput on high prim or heavily trafficked regions
* Merge branch 'master' of ssh://opensimulator.org/var/git/opensim into ↵John Hurliman2009-10-161-7/+27
|\ | | | | | | prioritization
| * Thank you, Fly man, for plumbing the AvatarInterestsUpdate packetMelanie2009-10-161-5/+22
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| * * Request from lkalif to have the Sim send a coarselocationupdate for each ↵Teravus Ovares (Dan Olivares)2009-10-151-2/+5
| | | | | | | | | | | | | | avatar in the sim, including yourself. * Apparently the LLClientView should have been doing this previously.. Also fixed the 'You' on the index block.. so the client doesn't display an extra green dot. * Thanks lkalif for bringing it to our attention.
* | Object update prioritization by Jim Greensky of Intel Labs, part one. This ↵John Hurliman2009-10-151-209/+135
| | | | | | | | implements a simple distance prioritizer based on initial agent positions. Re-prioritizing and more advanced priority algorithms will follow soon
* | Replaced the update lists with a priority queue implementation in LLClientViewjjgreens2009-10-151-45/+179
| | | | | | | | | | | | | | Replaced the update lists with a priority queue implementation in LLClientView. The priority queues are based on the MinHeap implementation also included in this commit within the OpneSim.Framework namespace. Initially setup to exactly mimic the behavior beofre the change which was a first come first serve queue.
* | * Removed some of the redundant broadcast functions in Scene and SceneGraph ↵John Hurliman2009-10-151-1/+228
|/ | | | | | | | so it is clear who/what the broadcast is going to each time * Removed two redundant parameters from SceneObjectPart * Changed some code in terse update sending that was meant to work with references to work with value types (since Vector3 and Quaternion are structs) * Committing a preview of a new method for sending object updates efficiently (all commented out for now)
* Allow the LLUDP server to run in either synchronous or asynchronous mode ↵John Hurliman2009-10-142-6/+29
| | | | with a config setting, defaulting to synchronous mode
* * Clean up the SetThrottle() code and add a maxBurstRate parameter to allow ↵John Hurliman2009-10-143-97/+155
| | | | more tweaking in the future
* * Switched to a plain lock for the ClientManager collections and protected ↵John Hurliman2009-10-141-1/+3
| | | | | | the TryGetValues with try/catch instead of a lock * Added ClientManager.ForEachSync() for operations that need to run synchronously, such as "show connections"
* * Read scene_throttle_bps from the config file and use itJohn Hurliman2009-10-142-10/+5
| | | | * Minor formatting cleanup
* Merge branch 'htb-throttle' of ssh://opensimulator.org/var/git/opensim into ↵John Hurliman2009-10-143-11/+58
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| * Merge branch 'master' into htb-throttleMelanie2009-10-143-11/+58
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| | * Better handling of missing assets.Diva Canto2009-10-131-9/+16
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| | * Better handling of missing assets.Diva Canto2009-10-121-9/+23
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| | * Stop the recurring texture requests for textures that truly don't exist.Diva Canto2009-10-121-2/+2
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